1cal(NBS) = 0.00397Btu (15.8°C, ISO)
Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.
Calories (15 °C, NBS 1939) to Btu (15.8°C, ISO) conversion formula
Btu (15.8°C, ISO) = Calories (15 °C, NBS 1939) / 251.92343543
Calories (15 °C, NBS 1939) to Btu (15.8°C, ISO) calculation
Btu (15.8°C, ISO) = Calories (15 °C, NBS 1939) / 251.92343543
Btu (15.8°C, ISO) = 1 / 251.92314384325
Btu (15.8°C, ISO) = 0.00397
Calories (15 °C, NBS 1939) to Btu (15.8°C, ISO) table
Starting value
Increment
Accuracy
Calories (15 °C, NBS 1939)
Btu (15.8°C, ISO)
0cal(NBS)
0.00000Btu (15.8°C, ISO)
1cal(NBS)
0.00397Btu (15.8°C, ISO)
2cal(NBS)
0.00794Btu (15.8°C, ISO)
3cal(NBS)
0.01191Btu (15.8°C, ISO)
4cal(NBS)
0.01588Btu (15.8°C, ISO)
5cal(NBS)
0.01985Btu (15.8°C, ISO)
6cal(NBS)
0.02382Btu (15.8°C, ISO)
7cal(NBS)
0.02779Btu (15.8°C, ISO)
8cal(NBS)
0.03176Btu (15.8°C, ISO)
9cal(NBS)
0.03573Btu (15.8°C, ISO)
10cal(NBS)
0.03969Btu (15.8°C, ISO)
11cal(NBS)
0.04366Btu (15.8°C, ISO)
12cal(NBS)
0.04763Btu (15.8°C, ISO)
13cal(NBS)
0.05160Btu (15.8°C, ISO)
14cal(NBS)
0.05557Btu (15.8°C, ISO)
15cal(NBS)
0.05954Btu (15.8°C, ISO)
16cal(NBS)
0.06351Btu (15.8°C, ISO)
17cal(NBS)
0.06748Btu (15.8°C, ISO)
18cal(NBS)
0.07145Btu (15.8°C, ISO)
19cal(NBS)
0.07542Btu (15.8°C, ISO)
20cal(NBS)
0.07939Btu (15.8°C, ISO)
21cal(NBS)
0.08336Btu (15.8°C, ISO)
22cal(NBS)
0.08733Btu (15.8°C, ISO)
23cal(NBS)
0.09130Btu (15.8°C, ISO)
24cal(NBS)
0.09527Btu (15.8°C, ISO)
25cal(NBS)
0.09924Btu (15.8°C, ISO)
26cal(NBS)
0.10321Btu (15.8°C, ISO)
27cal(NBS)
0.10718Btu (15.8°C, ISO)
28cal(NBS)
0.11115Btu (15.8°C, ISO)
29cal(NBS)
0.11511Btu (15.8°C, ISO)
30cal(NBS)
0.11908Btu (15.8°C, ISO)
31cal(NBS)
0.12305Btu (15.8°C, ISO)
32cal(NBS)
0.12702Btu (15.8°C, ISO)
33cal(NBS)
0.13099Btu (15.8°C, ISO)
34cal(NBS)
0.13496Btu (15.8°C, ISO)
35cal(NBS)
0.13893Btu (15.8°C, ISO)
36cal(NBS)
0.14290Btu (15.8°C, ISO)
37cal(NBS)
0.14687Btu (15.8°C, ISO)
38cal(NBS)
0.15084Btu (15.8°C, ISO)
39cal(NBS)
0.15481Btu (15.8°C, ISO)
40cal(NBS)
0.15878Btu (15.8°C, ISO)
41cal(NBS)
0.16275Btu (15.8°C, ISO)
42cal(NBS)
0.16672Btu (15.8°C, ISO)
43cal(NBS)
0.17069Btu (15.8°C, ISO)
44cal(NBS)
0.17466Btu (15.8°C, ISO)
45cal(NBS)
0.17863Btu (15.8°C, ISO)
46cal(NBS)
0.18260Btu (15.8°C, ISO)
47cal(NBS)
0.18656Btu (15.8°C, ISO)
48cal(NBS)
0.19053Btu (15.8°C, ISO)
49cal(NBS)
0.19450Btu (15.8°C, ISO)
50cal(NBS)
0.19847Btu (15.8°C, ISO)
51cal(NBS)
0.20244Btu (15.8°C, ISO)
52cal(NBS)
0.20641Btu (15.8°C, ISO)
53cal(NBS)
0.21038Btu (15.8°C, ISO)
54cal(NBS)
0.21435Btu (15.8°C, ISO)
55cal(NBS)
0.21832Btu (15.8°C, ISO)
56cal(NBS)
0.22229Btu (15.8°C, ISO)
57cal(NBS)
0.22626Btu (15.8°C, ISO)
58cal(NBS)
0.23023Btu (15.8°C, ISO)
59cal(NBS)
0.23420Btu (15.8°C, ISO)
60cal(NBS)
0.23817Btu (15.8°C, ISO)
61cal(NBS)
0.24214Btu (15.8°C, ISO)
62cal(NBS)
0.24611Btu (15.8°C, ISO)
63cal(NBS)
0.25008Btu (15.8°C, ISO)
64cal(NBS)
0.25405Btu (15.8°C, ISO)
65cal(NBS)
0.25802Btu (15.8°C, ISO)
66cal(NBS)
0.26198Btu (15.8°C, ISO)
67cal(NBS)
0.26595Btu (15.8°C, ISO)
68cal(NBS)
0.26992Btu (15.8°C, ISO)
69cal(NBS)
0.27389Btu (15.8°C, ISO)
70cal(NBS)
0.27786Btu (15.8°C, ISO)
71cal(NBS)
0.28183Btu (15.8°C, ISO)
72cal(NBS)
0.28580Btu (15.8°C, ISO)
73cal(NBS)
0.28977Btu (15.8°C, ISO)
74cal(NBS)
0.29374Btu (15.8°C, ISO)
75cal(NBS)
0.29771Btu (15.8°C, ISO)
76cal(NBS)
0.30168Btu (15.8°C, ISO)
77cal(NBS)
0.30565Btu (15.8°C, ISO)
78cal(NBS)
0.30962Btu (15.8°C, ISO)
79cal(NBS)
0.31359Btu (15.8°C, ISO)